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West nile virus and tick-borne encephalitis virus are endemic in equids in Eastern Austria
- 1.0546079 - ÚBO 2022 RIV CH eng J - Článek v odborném periodiku
de Heus, P. - Kolodziejek, J. - Hubálek, Zdeněk - Dimmel, K. - Racher, V. - Nowotny, N. - Cavalleri, J.-M. V.
West nile virus and tick-borne encephalitis virus are endemic in equids in Eastern Austria.
Viruses. Roč. 13, č. 9 (2021), č. článku 1873. ISSN 1999-4915. E-ISSN 1999-4915
Institucionální podpora: RVO:68081766
Klíčová slova: Austria * Epidemiology * Flavivirus * Horses * Seroprevalence * Tick-borne encephalitis virus * Usutu virus * West Nile virus
Obor OECD: Virology
Impakt faktor: 5.818, rok: 2021
Způsob publikování: Open access
https://www.mdpi.com/1999-4915/13/9/1873
The emergence of West Nile virus (WNV) and Usutu virus (USUV) in addition to the autochthonous tick-borne encephalitis virus (TBEV) in Europe causes rising concern for public and animal health. The first equine case of West Nile neuroinvasive disease in Austria was diagnosed in 2016. As a consequence, a cross-sectional seroprevalence study was conducted in 2017, including 348 equids from eastern Austria. Serum samples reactive by ELISA for either flavivirus immuno-globulin G or M were further analyzed with the plaque reduction neutralization test (PRNT-80) to identify the specific etiologic agent. Neutralizing antibody prevalences excluding vaccinated equids were found to be 5.3% for WNV, 15.5% for TBEV, 0% for USUV, and 1.2% for WNV from autoch-thonous origin. Additionally, reverse transcription quantitative polymerase chain reaction (RT-qPCR) was performed to detect WNV nucleic acid in horse sera and was found to be negative in all cases. Risk factor analysis did not identify any factors significantly associated with seropositivity.
Trvalý link: http://hdl.handle.net/11104/0322682
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